Dawn Thomas Email & Phone Number

Y-12 National Security Complex, Oak Ridge, Tn

Knoxville, Tennessee Area

Oak Ridge, Tn

Tier 3 datacenter operations support for VMware, Horizon View and Microsoft technologies, Active Directory, GPOs, Exchange, SCOM, SCCM, RSA operations, VEEAM backup/recovery, Good for Enterprise, NetApp and EMC, manage enterprise CA and Entrust certificates, monitor alerts, verify integrity and availability of all hardware, server resources, systems and key processes, review logs and verify completion of scheduled jobs. Provides account management and access control. Research and recommend… Show more Tier 3 datacenter operations support for VMware, Horizon View and Microsoft technologies, Active Directory, GPOs, Exchange, SCOM, SCCM, RSA operations, VEEAM backup/recovery, Good for Enterprise, NetApp and EMC, manage enterprise CA and Entrust certificates, monitor alerts, verify integrity and availability of all hardware, server resources, systems and key processes, review logs and verify completion of scheduled jobs. Provides account management and access control. Research and recommend innovative and automated approaches for system administration tasks. Design, deploy and manage virtualized and clustered infrastructures. Performs monthly OS patching and daily monitoring of alerts. Works with vendor support and participates in on-call rotation providing 24x7 systems support. Develop and maintain installation and configuration procedures. Installs new or rebuilds existing servers and configures hardware, peripherals, services, settings, directories, and storage in accordance with standards and project/operational requirements. Provides problem determination, including interfacing with other IT professionals to isolate cause. Provides problem resolution and break/fix situations, including dealing with software and hardware vendor technical support. • Upgraded ESXi and Horizon View environments to current release and patch levels in Chicago, Germantown and Oak Ridge, configured custom alerts, resolved VSC plugin issues.• Designed vCenter Virtual Distributed Switch configuration. Show less

Knoxville, Tn

Tier 3 support for Managed Services Provider. Supported VMware, Windows Server, Unitrends Enterprise Backup, Office 365 migrations, Fujitsu SAN, Cisco and HP network switches and firewall implementations, Solar Winds Ncentral monitoring. Performed network administration including setup of switches, firewalls, WLAN controllers and access points. Maintain lab configurations, Develop and install gold images. Monitored alerts and customer systems performance, provided capacity analysis, and… Show more Tier 3 support for Managed Services Provider. Supported VMware, Windows Server, Unitrends Enterprise Backup, Office 365 migrations, Fujitsu SAN, Cisco and HP network switches and firewall implementations, Solar Winds Ncentral monitoring. Performed network administration including setup of switches, firewalls, WLAN controllers and access points. Maintain lab configurations, Develop and install gold images. Monitored alerts and customer systems performance, provided capacity analysis, and implemented security measures to meet client needs. Participated in on-call rotation, respond to critical incidents 24/7, and off-hour maintenance windows. Document systems and network designs and procedures. Primary contact for large clients. Show less

Knoxville, Tennessee Area

Windows system administration duties including installation, configuration and support of Microsoft Windows 2008 and 2012 operating systems, AD, IIS and virtualization administration, security patching, IBM TSM backup/recovery, sequence applications for APP-V, develop and document system processes, learn PowerShell scripting, align server configurations to SLA guidelines.

Knoxville, Tn

IT Infrastructure EngineerPerform systems administration for Windows domain with over 3,000 servers and 13,000 employees. Responsible for design, implementation and support of enterprise discovery of IT assets (HP DDMI). Provide enterprise discovery reports, statistics, technical presentations and demonstrations. Develop SQL queries to supplement built-in enterprise discovery reports. • Control System Isolation (CSI) project engineer responsible for IT and network engineering… Show more IT Infrastructure EngineerPerform systems administration for Windows domain with over 3,000 servers and 13,000 employees. Responsible for design, implementation and support of enterprise discovery of IT assets (HP DDMI). Provide enterprise discovery reports, statistics, technical presentations and demonstrations. Develop SQL queries to supplement built-in enterprise discovery reports. • Control System Isolation (CSI) project engineer responsible for IT and network engineering design package, work instructions, support and technical documentation for data diode implementations at fossil plants (Control Systems Isolation (CSI) Project). Delivered data diode technical presentations for site implementation meetings. • Design and deliver Infrastructure Operations Consolidated Lab merging sixteen individual IT labs into one with unified computing, network, storage and power, located in Chattanooga, TN. Led or participated in all design and project meetings. Project delivered on time and budget.Domain administrator for physical and virtual Windows servers. Duties include imaging and configuring new servers, backup/restore, security patching, troubleshoot and support AD infrastructure, VMware administration, license server admin, code promotions, enterprise application and datacenter support, work with external vendors, Windows server retirements, monitor and respond to OVO alerts, security events and incidents, respond to audit requests, responsible for regional coordination of monthly OS patching assignments, provide mentoring to team members. Participate in 24/7 on-call rotational assignments. Travel to provide remote support as needed. Show less

Tampa, Fl

VAX/VMS Systems Manager